Step light



FIG. 1 is a front, right, bottom perspective view of a step light;

FIG. 2 is a back, left, top perspective view thereof;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a back elevation view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a right side view thereof;

FIG. 7 is a top plan view thereof; and,

FIG. 8 is a bottom plan view thereof.

The dashed broken lines depict portions of the step light that form no part of the claimed design. 

CLAIM The ornamental design for a step light, as shown and described. 